<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>

<body>

</body>

</html>
<script>
  for (var i = 1; i <= 5; i++) {
    for (var j = 1; j <= 5; j++) {
      document.write("❤");
    }
    document.write('<br>');
  }
</script>